72757126 has 8 divisors (see below), whose sum is σ = 117530784. Its totient is φ = 33580200.

The previous prime is 72757117. The next prime is 72757141. The reversal of 72757126 is 62175727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399150 + ... + 1399201.

It is an arithmetic number, because the mean of its divisors is an integer number (14691348).

Almost surely, 2^72757126 is an apocalyptic number.

72757126 is a deficient number, since it is larger than the sum of its proper divisors (44773658).

72757126 is a wasteful number, since it uses less digits than its factorization.

72757126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798366.

The product of its digits is 41160, while the sum is 37.

The square root of 72757126 is about 8529.7787779051. The cubic root of 72757126 is about 417.4699102222.

The spelling of 72757126 in words is "seventy-two million, seven hundred fifty-seven thousand, one hundred twenty-six".